Finding the Fourth Proportional to 771,535.38, 1,064,681.82 and 427,348.08
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Solution
The fourth proportional to 771,535.38, 1,064,681.82 and 427,348.08 is: 589,719.86
Step by Step Solution
- Step 1: Write the proportion equation
771,535.38 : 1,064,681.82 = 427,348.08 : x - Step 2: Convert to fraction form
771,535.38/1,064,681.82 = 427,348.08/x - Step 3: Cross multiply
771,535.38x = 1,064,681.82 × 427,348.08 - Step 4: Simplify right side
771,535.38x = 454,989,731,587.91 - Step 5: Solve for x
x = 454,989,731,587.91/771,535.38 - Step 6: Final answer
x = 589,719.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.